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Level Converters.sch-bak
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EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
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encoding utf-8
Sheet 1 1
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
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$Comp
L Device:Q_NMOS_GDS Q?
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F 2 "" H 2400 2400 50 0001 C CNN
F 3 "~" H 2200 2300 50 0001 C CNN
1 2200 2300
0 1 1 0
$EndComp
$Comp
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1 0 0 -1
$EndComp
$Comp
L Device:R_US R?
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$EndComp
$Comp
L power:+3.3V #PWR?
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P 1900 1700
F 0 "#PWR?" H 1900 1550 50 0001 C CNN
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F 2 "" H 1900 1700 50 0001 C CNN
F 3 "" H 1900 1700 50 0001 C CNN
1 1900 1700
1 0 0 -1
$EndComp
$Comp
L power:+5V #PWR?
U 1 1 5F8837BB
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F 3 "" H 2500 1700 50 0001 C CNN
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$EndComp
Text GLabel 1700 2400 0 50 Input ~ 0
3v3_SIG
Text GLabel 2700 2400 2 50 Input ~ 0
5V_SIG
Wire Wire Line
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Wire Wire Line
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Connection ~ 1900 2400
Wire Wire Line
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Wire Wire Line
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Text Notes 1950 2850 0 50 ~ 0
Bi-Directional
$Comp
L Device:Q_NPN_EBC Q?
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P 4400 2300
F 0 "Q?" V 4635 2300 50 0000 C CNN
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F 3 "~" H 4400 2300 50 0001 C CNN
1 4400 2300
0 1 1 0
$EndComp
$Comp
L Device:R_US R?
U 1 1 5F8874A9
P 4400 1850
F 0 "R?" H 4468 1896 50 0000 L CNN
F 1 "10k" H 4468 1805 50 0000 L CNN
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F 3 "~" H 4400 1850 50 0001 C CNN
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1 0 0 -1
$EndComp
$Comp
L Device:R_US R?
U 1 1 5F887A8D
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F 0 "R?" H 4918 1896 50 0000 L CNN
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1 0 0 -1
$EndComp
Text GLabel 3950 2400 0 50 Input ~ 0
FROM_3v3
Text GLabel 5050 2400 2 50 Input ~ 0
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$Comp
L power:+3.3V #PWR?
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F 0 "#PWR?" H 4400 1400 50 0001 C CNN
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F 2 "" H 4400 1550 50 0001 C CNN
F 3 "" H 4400 1550 50 0001 C CNN
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$EndComp
$Comp
L power:+5V #PWR?
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
4850 2000 4850 2400
Wire Wire Line
4850 2400 4600 2400
Wire Wire Line
4850 2400 5050 2400
Connection ~ 4850 2400
Text Notes 4200 2850 0 50 ~ 0
3V3->5V
$Comp
L Device:Q_NPN_EBC Q?
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F 0 "Q?" V 6935 2300 50 0000 C CNN
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1 6700 2300
0 1 1 0
$EndComp
$Comp
L Device:R_US R?
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F 0 "R?" H 6768 1896 50 0000 L CNN
F 1 "10k" H 6768 1805 50 0000 L CNN
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1 6700 1850
1 0 0 -1
$EndComp
$Comp
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F 0 "R?" H 7218 1896 50 0000 L CNN
F 1 "10k" H 7218 1805 50 0000 L CNN
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$EndComp
Text GLabel 6250 2400 0 50 Input ~ 0
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Text GLabel 7350 2400 2 50 Input ~ 0
TO_3V3
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$EndComp
Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
7150 2000 7150 2400
Wire Wire Line
7150 2400 6900 2400
Wire Wire Line
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Connection ~ 7150 2400
Text Notes 6500 2850 0 50 ~ 0
5V->3V3
$Comp
L power:+3.3V #PWR?
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F 2 "" H 7150 1550 50 0001 C CNN
F 3 "" H 7150 1550 50 0001 C CNN
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1 0 0 -1
$EndComp
$Comp
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P 2200 4000
F 0 "Q?" V 2435 4000 50 0000 C CNN
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F 3 "~" H 2200 4000 50 0001 C CNN
1 2200 4000
0 1 1 0
$EndComp
$Comp
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F 2 "" V 2240 3540 50 0001 C CNN
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1 2200 3550
1 0 0 -1
$EndComp
$Comp
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U 1 1 5F89E1AF
P 2650 3550
F 0 "R?" H 2718 3596 50 0000 L CNN
F 1 "10k" H 2718 3505 50 0000 L CNN
F 2 "" V 2690 3540 50 0001 C CNN
F 3 "~" H 2650 3550 50 0001 C CNN
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1 0 0 -1
$EndComp
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3V3_SIG
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5V_SIG
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F 3 "" H 2200 3250 50 0001 C CNN
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1 0 0 -1
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
2650 4100 2400 4100
Wire Wire Line
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Connection ~ 2650 4100
Text Notes 1950 4550 0 50 ~ 0
Bi-Directional
$Comp
L Device:R_US R?
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F 0 "R?" H 1818 3596 50 0000 L CNN
F 1 "10k" H 1818 3505 50 0000 L CNN
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$EndComp
Wire Wire Line
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Connection ~ 1750 4100
Wire Wire Line
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$EndComp
Wire Wire Line
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$Comp
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1 0 0 -1
$EndComp
Wire Wire Line
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$Comp
L power:+3.3V #PWR?
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1 0 0 -1
$EndComp
Wire Wire Line
2200 1700 2200 2100
Wire Wire Line
2400 2400 2500 2400
Wire Wire Line
2500 2300 2500 2400
Connection ~ 2500 2400
Wire Wire Line
2500 2400 2700 2400
$Comp
L Device:Q_NPN_EBC Q?
U 1 1 5F8C6347
P 2200 6050
F 0 "Q?" V 2435 6050 50 0000 C CNN
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F 3 "~" H 2200 6050 50 0001 C CNN
1 2200 6050
0 1 1 0
$EndComp
$Comp
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U 1 1 5F8C6351
P 2200 5600
F 0 "R?" H 2268 5646 50 0000 L CNN
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F 3 "~" H 2200 5600 50 0001 C CNN
1 2200 5600
1 0 0 -1
$EndComp
$Comp
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U 1 1 5F8C635B
P 2650 5600
F 0 "R?" H 2718 5646 50 0000 L CNN
F 1 "10k" H 2718 5555 50 0000 L CNN
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F 3 "~" H 2650 5600 50 0001 C CNN
1 2650 5600
1 0 0 -1
$EndComp
Text GLabel 1250 6150 0 50 Input ~ 0
3V3_SIG
Text GLabel 2850 6150 2 50 Input ~ 0
5V_SIG
$Comp
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F 0 "#PWR?" H 2200 5150 50 0001 C CNN
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$EndComp
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Connection ~ 2650 6150
Text Notes 1900 7300 0 50 ~ 0
Bi-Directional (fast)
$Comp
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U 1 1 5F8C637A
P 1750 5600
F 0 "R?" H 1818 5646 50 0000 L CNN
F 1 "10k" H 1818 5555 50 0000 L CNN
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1 0 0 -1
$EndComp
Wire Wire Line
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Connection ~ 1750 6150
Wire Wire Line
1750 6150 1900 6150
$Comp
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F 2 "" H 1750 5300 50 0001 C CNN
F 3 "" H 1750 5300 50 0001 C CNN
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1 0 0 -1
$EndComp
Wire Wire Line
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$Comp
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F 2 "" H 2650 5300 50 0001 C CNN
F 3 "" H 2650 5300 50 0001 C CNN
1 2650 5300
1 0 0 -1
$EndComp
$Comp
L Device:Q_NPN_EBC Q?
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P 2200 6550
F 0 "Q?" V 2435 6550 50 0000 C CNN
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$EndComp
Wire Wire Line
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Connection ~ 2200 5850
Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Connection ~ 2500 6150
Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Connection ~ 1900 6150
Wire Wire Line
1900 6150 2000 6150
$EndSCHEMATC